PDN-CROSSCONNECT-MIB

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Category: ATM, DSL and Broadband

Description: Manages ATM and TDM cross-connect switch fabric mappings on Paradyne xDSL access equipment.

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What Is PDN-CROSSCONNECT-MIB?

PDN-CROSSCONNECT-MIB is a Paradyne (PDN) enterprise MIB for managing cross-connect switch fabric mappings on Paradyne xDSL access equipment, tying together TDM/DS1 fractional channels and synchronous data ports. It exposes configuration data describing how DS1 fractional timeslots and sync data ports are mapped to logical interfaces within the device's switching fabric. Monitoring this MIB centers on configuration/provisioning correctness rather than classic hardware health, though an incorrect cross-connect mapping or a missing DS1 fractional entry can reveal a provisioning fault or a hardware channel that has gone out of service. It relies on standard DS1/T1 concepts (fractional DS1 channels) and is used alongside the device's own interface indexing (ifIndex) to tie logical ports to physical channels. It is typically deployed on Paradyne xDSL/DSU-CSU access multiplexers in telco or enterprise WAN access environments. Network engineers evaluating or troubleshooting this functionality can download the PDN-CROSSCONNECT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in PDN-CROSSCONNECT-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Paradyne xDSL access multiplexers/DSU-CSU equipment

Monitoring Examples

An administrator would examine devDs1FracTable/devDs1FracEntry, keyed by devDs1FracIndex, to confirm devDs1FracIfIndex and devDs1FracIfFracNumber correctly map each fractional DS1 channel to its logical interface. Similarly, devSyncDataPortAssignTable/devSyncDataPortAssignEntry with devSyncDataPortAssignRate and devSyncDataPortAssignIfIndex show which sync data port is assigned which rate and interface; a mismatch here signals a misconfigured cross-connect. devCrossConUtility likely groups helper objects used for managing these mappings.

What Can Be Monitored

DS1 fractional channel-to-interface mapping
sync data port rate assignment
sync data port interface assignment

Imported Objects

From PDN-HEADER-MIB

crossConnect

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

TimeTicks

OIDs

OID symbolic	OID numeric	Type	Access	Description
devDs1FracTable	1.3.6.1.4.1.1795.2.24.2.6.7.1		not-accessible	The Paradyne DS1 Fractional Table.
devDs1FracEntry	1.3.6.1.4.1.1795.2.24.2.6.7.1.1		not-accessible	An entry in the Paradyne DS1 Fractional Table.
INT devDs1FracIndex	1.3.6.1.4.1.1795.2.24.2.6.7.1.1.1	INTEGER	read-only	The index value which uniquely identifies the DS1 interface to which this entry is applicable. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex from the Interfaces table of MIB II (RFC 1213).
INT devDs1FracNumber	1.3.6.1.4.1.1795.2.24.2.6.7.1.1.2	INTEGER	read-only	The channel number associated with the interface identified by devDs1FracIndex for this entry. If devDs1FracIfIndex indicates that the channel assignment is to a synchronous data port or to a voice port, then the interpretation of this object's meaning is dependent on the value of the allocation method, devSyncDataPortConfigAllocMethod, for the data port. If the allocation method is block, or ACAMI, then this object specifies the starting DS0 channel for the assignment. The number of channels assigned is dependent on the value of devSyncDataPortConfigRate. If the allocation method is channel, then this object specifies the individual DS0 channel to be allocated to the data port.
INT devDs1FracIfIndex	1.3.6.1.4.1.1795.2.24.2.6.7.1.1.3	INTEGER	read-write	An index value that uniquely identifies the interface to which this entry is mapped. The interface identified by a particular value of this index is the same interface as identified by the same value of an ifIndex object instance in the Interfaces table of MIB II (RFC 1213). If no interface is currently using the channel identified by devDs1FracNumber, then this value should be zero. If a single interface occupies more than one time slot, then its ifIndex value is found in multiple time slots (i.e., there are multiple entries in table with the same devDs1FracIfIndex value).
INT devDs1FracIfFracNumber	1.3.6.1.4.1.1795.2.24.2.6.7.1.1.4	INTEGER	read-write	The channel number associated with the interface identified by devDs1FracIfIndex for this entry. If the interface is a synchronous data port or a voice port, then the value is ignored for set, and undefined when read.
devSyncDataPortAssignTable	1.3.6.1.4.1.1795.2.24.2.6.7.2		not-accessible	The Paradyne Synchronous Data Port Assignment Table.
devSyncDataPortAssignEntry	1.3.6.1.4.1.1795.2.24.2.6.7.2.1		not-accessible	An entry in the Paradyne Synchronous Data Port Assignment Table.
INT devSyncDataPortAssignIndex	1.3.6.1.4.1.1795.2.24.2.6.7.2.1.1	INTEGER	read-only	The index value which uniquely identifies the synchronous data port interface to which this entry is applicable. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex from the Interfaces table of MIB II (RFC 1213).
INT devSyncDataPortAssignRate	1.3.6.1.4.1.1795.2.24.2.6.7.2.1.2	INTEGER	read-write	The synchronous data port rate expressed in Kbps for both data ports of the synchronous data port-to-synchronous data port assignment represented by this entry. The actual rate for the ports is obtained by reading the value of ifSpeed from the Interfaces table of MIB II (RFC 1213). The possible data rates depend on the current base rate configured for the data ports of this assignment. For example, rate280or320(5) represents a rate of 280 Kbps or 320 Kbps for a base rate of 56 Kbps or 64 Kbps, respectively. WARNING: changing this object's value, causes the DS0 channels assigned to the data port based on the previous rate to be deallocated. NOTE: this variable cannot be used independently to alter the value of the rate associated with a particular data port.
INT devSyncDataPortAssignIfIndex	1.3.6.1.4.1.1795.2.24.2.6.7.2.1.3	INTEGER	read-write	An index value that uniquely identifies the interface to which this synchronous data port is assigned. The interface identified by a particular value of this index is the same interface as identified by the same value of an ifIndex object instance in the Interfaces table of MIB II (RFC 1213). If no interface is currently connected to this data port, then this value should be zero. The value used to set this object must be the ifIndex value of another synchronous data port interface only (i.e., synchronous data port to DS0 channel assignment is allowed only in the DS1 Fractional Table, devDs1FracTable).
devCrossConUtility	1.3.6.1.4.1.1795.2.24.2.6.7.4
INT devCrossConClear	1.3.6.1.4.1.1795.2.24.2.6.7.4.1	INTEGER	read-write	This object is used to delete all the entries in the Cross Connect table where bulk deletion is needed. This field can only be set to 'clear'. While the management entity within the agent deletes all the cross connects , this field will read 'inprogress'.When the 'clear' operation has completed , or no operation is being performed at all the default state will be 'idle'.
TIK devCrossConTableLastChange	1.3.6.1.4.1.1795.2.24.2.6.7.4.2	TimeTicks	read-only	The value of sysUpTime at the time configuration or status of the Cross Connect Table has last changed. Changes in the Cross Connect table can be anything such as configuration addition/deletions or Cross Connect status changes.

RFC description

Paradyne vendor-private MIB for cross-connect management functionality in their networking equipment.

Start monitoring Paradyne xDSL access multiplexers/DSU-CSU equipment (cross-connect fabric mapping) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download PDN-CROSSCONNECT-MIB

What Is PDN-CROSSCONNECT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description